NTT DATA Group是一家总部位于日本的全球IT服务公司，业务涵盖咨询、系统开发和运维。随着人工智能重塑商业环境，该公司正将其增长模式从通过增加员工数量来扩大收入，转变为通过人工智能创造更大价值。
为支持这一转型，NTT DATA Group在全公司推广了ChatGPT Enterprise，并推出了帮助员工将AI融入日常工作的项目。在此基础上，该公司已将Codex扩展至约9000名员工。技术与非技术岗位的团队现在不仅利用AI通过对话探索想法，还用它执行明确定义的任务。
全公司范围的ChatGPT Enterprise部署为Codex奠定基础
在2025年5月与OpenAI建立全球战略合作伙伴关系后，NTT DATA Group着手在全公司部署ChatGPT Enterprise。公司成立了内部OpenAI卓越中心（CoE），通过许可证分发、技术验证、活动、用例开发、使用监控、知识资源以及员工充分利用AI所需的系统来支持采用。
因此，ChatGPT Enterprise已成为支持NTT DATA Group日常工作的主要AI工具之一。在一项内部调查中，超过96%的受访者表示对ChatGPT Enterprise感到满意，超过95%的人报告生产力有所提升。
通过日常使用，员工积累了使用AI进行研究、写作和内容创作的经验。这些习惯和技能为组织迈出下一步做好了准备：将明确定义的任务委托给Codex。
早期用例为Codex积累动力
展示Codex潜力的首批成功案例之一，是自动化关键系统的复杂事件分析。这项工作此前需要五名经验丰富的工程师，耗时三天才能完成。使用Codex后，整个过程在30分钟内完成。
这一结果迅速引起了高层领导的关注，并成为Codex潜力的早期证明。Codex不仅仅是编码助手，它还能根据指令独立调查、执行、测试和修改。这种代理能力帮助在全公司范围内积累了动力。
“Codex改变了公司上下对AI的看法，”NTT DATA Group AI技术部的Hiroaki Sato表示。“AI可以主导执行工作的想法，其影响堪比ChatGPT的到来。”自那次早期成功以来，NTT DATA Group的各个团队持续发掘利用Codex独特能力的新用例。
“Codex不仅仅是帮助开发者更快地编写代码。随着ChatGPT Enterprise成为我们员工思考、探索想法和解决问题的一部分，Codex开启了一种新的工作方式。通过让AI能够研究、组织、执行和验证工作，它赋能每位员工转变他们对待自身角色的方式。”
——NTT DATA Group全球AI办公室负责人Yuji Shono
将Codex的潜力扩展到工程领域之外
事件分析中展现的潜力延伸到了软件开发之外。根据其“客户零号”方法，NTT DATA Group将自身组织视为第一个客户，并鼓励员工在日常工作中测试AI。因此，Codex的采用正从工程师扩展到跨多种职能的非技术员工。
“通过我们的客户零号方法，我们积极在组织内部推广AI的使用，”Sato解释道。“Codex潜力巨大，许多部门的员工都在寻找将其应用于自身工作的方法。”
非技术员工已经在使用Codex构建轻量级工具、整理大量文件、分析Excel数据、总结文档以及编写重复性流程的脚本。这些通常是人们希望自动化，但手动处理又过于耗时的任务。
例如，员工使用Codex从信用卡账单中提取交通费用，并将其转入差旅费用表格。Codex可以跨多个文件工作，理解每个表格的结构和录入规则，并帮助验证完成的转账，从而简化了以前手动且繁琐的工作。
另一个重要转变是，非技术员工现在可以完成以前需要工程师支持的工作。例如，创建一份分析报告以前需要在商业智能工具中准备数据并构建仪表板。使用Codex，员工可以直接分析原始数据并创建所需的报告，从而提高效率，同时减少对专业工具和技能的依赖。
通过这种方式，Codex不仅仅支持软件开发。它降低了曾经需要专业知识的门槛，使没有开发经验的员工能够创建可在其岗位上使用的实用成果。
为所有人使用Codex创造安全环境
为了在整个组织内扩展Codex的使用，而不是将其局限于个别团队或员工，NTT DATA Group认识到需要创造一个每个人都能安全、放心使用的环境。这一基础不仅对其自身员工至关重要，对其所支持的广泛行业的客户也同样重要。
为使Codex做好企业级使用准备，OpenAI CoE制定并推出了安全指南以及采用实践指南。这些指南明确了哪些数据可以使用、Codex可以连接哪些系统、网络流量如何管理、应用哪种沙箱模式、何种自动化水平是合适的，以及哪些地方需要人工审核。这创造了一个环境，使技术和非技术岗位的员工都能自信地探索使用Codex的新方法。
有了安全和治理基础，Codex的采用已超越少数高级用例。如今，Codex正稳步成为约9000名员工日常工作的一部分。
“创造一个安全且治理良好的环境，对于员工自信地使用Codex至关重要。我们的愿景是让Codex不仅仅是工程师的工具。我们希望它成为每位员工（包括非技术岗位员工）日常工作的自然组成部分，帮助人们将他们的专业知识和想法转化为更大的影响力。”
——NTT DATA Group全球AI办公室负责人Yuji Shono
成果概览
NTT DATA Group对Codex的采用已超越实验阶段，并在整个组织内交付了切实的成果。
- 将原本需要五名资深工程师耗时三天完成的复杂事件分析，在30分钟内处理完毕
- 发布使用指南并开展实操培训后，每周活跃的Codex用户数提升至原来的1.4倍
- 利用Playwright实现内部系统操作自动化，减少日常例行任务耗时，并通过将自动化封装为技能实现全组织推广
领导力启示
NTT DATA集团的经验为在全组织推广Codex总结了五点启示：
- 将ChatGPT Enterprise融入日常工作，帮助员工建立与AI协作所需的习惯
- 广泛部署ChatGPT Enterprise，通过同伴学习和口碑传播形成网络效应
- 在适当的安全与隐私保护措施下，为员工创造安全使用AI的环境
- 将部署视为起点，利用使用数据、调查问卷和员工访谈持续优化推广方案
- 由卓越中心识别并归纳高影响力用例，在适当防护措施下将其作为可复用的最佳实践进行分享
将组织知识转化为客户价值
NTT DATA集团的愿景不止于提升单个任务的效率。通过将AI嵌入日常工作，公司正在构建一个人与AI各展所长、更快创造更大价值的环境。
员工借助ChatGPT Enterprise深化思考，利用Codex执行既定目标下的任务。人类负责设定方向并评估结果，AI则负责解读信息并推进工作。通过将这种协作模式推广至技术人员与非技术人员，NTT DATA集团正在提升个体能力，强化全组织的执行力。
在卓越中心、员工社区以及强大的安全治理体系支持下，公司能够识别各部门的高影响力用例，并将其转化为可跨部门共享的标准化流程与最佳实践。
通过"AI驱动企业"的愿景，NTT DATA集团致力于放大每位员工的知识与专长，创造新的服务与业务流程，助力客户实现运营转型与增长。通过在组织内部验证AI的价值，公司计划将这种影响力更广泛地延伸至客户与社会。
NTT DATA Group is a Japan based global IT services company spanning consulting, systems development, and operations. As AI reshapes the business environment, the company is evolving its growth model from expanding revenue by adding headcount to creating greater value through AI.
To support this transformation, NTT DATA Group rolled out ChatGPT Enterprise across the company and introduced programs that help employees make AI part of their daily work. Building on that foundation, the company has expanded Codex to approximately 9,000 employees. Teams across technical and nontechnical roles now use AI not only to explore ideas through conversation, but also to carry out clearly defined tasks.
Companywide ChatGPT Enterprise adoption creates the foundation for Codex
After beginning a global strategic partnership with OpenAI in May 2025, NTT DATA Group moved to deploy ChatGPT Enterprise across the company. It established an internal OpenAI Center of Excellence, or CoE, to support adoption through license distribution, technical validation, events, use case development, usage monitoring, knowledge resources, and the systems employees need to get the most from AI.
As a result, ChatGPT Enterprise has become one of the primary AI tools supporting daily work across NTT DATA Group. In an internal survey, more than 96% of respondents said they were satisfied with ChatGPT Enterprise, and more than 95% reported productivity gains.
Through everyday use, employees built experience working with AI for research, writing, and content creation. Those habits and skills prepared the organization for the next step: delegating clearly defined tasks to Codex.
An early use case builds momentum for Codex
One of the first successes to demonstrate the potential of Codex was the automation of a complex incident analysis for a critical system. The work had previously required five experienced engineers and taken three days to complete. With Codex, the full process was completed in 30 minutes.
The result quickly gained attention from senior leaders and became an early proof point for what Codex could make possible. More than a coding assistant, Codex can independently investigate, execute, test, and revise based on an instruction. That agentic capability helped build momentum across the company.
“Codex has changed how people across the company think about AI,” says Hiroaki Sato of NTT DATA Group’s AI Technology Department. “The idea that AI can take the lead in carrying out work has had an impact similar to the arrival of ChatGPT.” Since that early success, teams across NTT DATA Group have continued to identify new use cases that draw on the distinctive capabilities of Codex.
“Codex is about more than helping developers write code faster. As ChatGPT Enterprise has become part of how our employees think, explore ideas, and solve problems, Codex opens the door to a new way of working. By enabling AI to research, organize, execute, and validate work, it empowers every employee to transform how they approach their role.”
—NTT DATA Group, Head of Global AI Office, Yuji Shono
Expanding the potential of Codex beyond engineering
The potential demonstrated in incident analysis extends beyond software development. Under their “Client Zero” approach, NTT DATA Group treats their own organization as the first customer and encourages employees to test AI in their daily work. As a result, Codex adoption is expanding beyond engineers to nontechnical employees across a wide range of functions.
“Through our Client Zero approach, we actively promote the use of AI within our own organization,” Sato explains. “Codex has significant potential, and employees across many departments are finding ways to apply it to their own work.”
Nontechnical employees are already using Codex to build lightweight tools, organize large volumes of files, analyze data in Excel, summarize documents, and script repetitive processes. These are often tasks that people want to automate but that would be too time consuming to handle manually.
For example, employees use Codex to extract transportation expenses from credit card statements and transfer them into travel expense forms. Codex can work across multiple files, understand the structure and entry rules of each sheet, and help verify the completed transfer, streamlining work that was previously manual and cumbersome.
Another important shift is that nontechnical employees can now complete work that once required support from engineers. Creating an analytical report, for example, previously required preparing data in a business intelligence tool and building a dashboard. With Codex, employees can analyze raw data directly and create the reports they need, improving efficiency while reducing dependence on specialized tools and skills.
In this way, Codex is doing more than supporting software development. It is lowering the barrier to work that once required specialized expertise and enabling employees without development experience to create practical outputs they can use in their roles.
Creating a secure environment for everyone to use Codex
To expand the use of Codex across the organization, rather than limiting it to individual teams or employees, NTT DATA Group recognized the need for an environment where everyone can use it safely and with confidence. This foundation is important not only for its own employees, but also for customers across the wide range of industries the company supports.
To prepare Codex for enterprise use, the OpenAI CoE has developed and rolled out security guidelines alongside practical guidance for adoption. These guidelines clarify what data can be used, which systems Codex can connect to, how network traffic is managed, which sandbox mode to apply, what level of automation is appropriate, and where human review is required. This has created an environment where employees across technical and nontechnical roles can confidently explore new ways to use Codex.
With this foundation of security and governance in place, Codex adoption is moving beyond a small number of advanced use cases. Today, Codex is steadily becoming part of the daily work of approximately 9,000 employees.
“Creating a secure and well governed environment is essential for employees to use Codex with confidence. Our vision is for Codex to become more than a tool for engineers. We want it to be a natural part of everyday work for every employee, including those in nontechnical roles, helping people turn their expertise and ideas into greater impact.”
—NTT DATA Group, Head of Global AI Office, Yuji Shono
Results at a glance
Codex adoption at NTT DATA Group has moved beyond experimentation and is already delivering tangible results across the organization.
- Completed in 30 minutes a complex incident analysis that previously took five experienced engineers three days
- Increased weekly active Codex users by 1.4 times after publishing a usage guide and conducting hands on training
- Automated internal system operations using Playwright, reducing time spent on routine daily tasks, and enabled organization-wide adoption by packaging the automation as Skills
Leadership lessons
NTT DATA Group’s experience highlights five lessons for embedding Codex across an organization.
- Make ChatGPT Enterprise part of daily work and help employees build the habits needed to collaborate with AI
- Deploy ChatGPT Enterprise broadly to create network effects through peer learning and word of mouth
- Create an environment where employees can use AI safely with appropriate security and privacy protections
- Treat deployment as the beginning, then continuously improve adoption programs using usage data, surveys, and employee interviews
- Have the CoE identify and generalize high impact use cases, then share them as reusable best practices with appropriate safeguards
Turning organizational knowledge into customer value
NTT DATA Group’s ambition goes beyond making individual tasks more efficient. By embedding AI into everyday work, the company is creating an environment where people and AI can each contribute their strengths and generate greater value, faster.
Employees use ChatGPT Enterprise to deepen their thinking and Codex to carry out tasks toward a defined objective. People set the direction and evaluate the results, while AI interprets information and moves the work forward. By bringing this collaboration to technical and nontechnical employees alike, NTT DATA Group is expanding individual capabilities and strengthening execution across the organization.
Supported by its CoE, employee communities, and strong security and governance, the company identifies high impact use cases within individual departments and turns them into reusable processes and best practices that can be shared more broadly.
Through its “AI Driven Company” vision, NTT DATA Group aims to amplify the knowledge and expertise of every employee, create new services and business processes, and help customers transform their operations and grow. By demonstrating the value of AI within its own organization, the company plans to extend that impact to customers and society more broadly.
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